Mercurial > octave
view libinterp/dldfcn/__voronoi__.cc @ 22407:34ce5be04942
maint: Style check C++ code in libinterp/.
* build-env.h, build-env.in.cc, builtins.h, Cell.cc, Cell.h, __contourc__.cc,
__dispatch__.cc, __dsearchn__.cc, __ilu__.cc, __lin_interpn__.cc, __luinc__.cc,
__magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, balance.cc,
base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc,
c-file-ptr-stream.h, call-stack.cc, call-stack.h, cdisplay.c, cdisplay.h,
cellfun.cc, coct-hdf5-types.c, comment-list.cc, comment-list.h, conv2.cc,
daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, debug.h, defaults.cc,
defaults.in.h, defun-dld.h, defun-int.h, defun.h, det.cc, dirfns.cc, dirfns.h,
display.cc, display.h, dlmread.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc,
error.cc, error.h, errwarn.h, event-queue.cc, event-queue.h, fft.cc, fft2.cc,
fftn.cc, file-io.cc, file-io.h, filter.cc, find.cc, ft-text-renderer.cc,
ft-text-renderer.h, gammainc.cc, gcd.cc, getgrent.cc, getpwent.cc, givens.cc,
gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics.cc,
graphics.in.h, gripes.h, gsvd.cc, hash.cc, help.cc, help.h, hess.cc,
hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter.cc,
interpreter.h, inv.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h,
jit-util.cc, jit-util.h, kron.cc, load-path.cc, load-path.h, load-save.cc,
load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-hdf5.cc,
ls-hdf5.h, ls-mat-ascii.cc, ls-mat-ascii.h, ls-mat4.cc, ls-mat4.h, ls-mat5.h,
ls-oct-binary.cc, ls-oct-binary.h, ls-oct-text.cc, ls-oct-text.h, ls-utils.cc,
ls-utils.h, lsode.cc, lu.cc, matrix_type.cc, max.cc, mex.cc, mex.h, mexproto.h,
mgorth.cc, mxarray.in.h, nproc.cc, oct-errno.h, oct-errno.in.cc, oct-fstrm.cc,
oct-fstrm.h, oct-handle.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hdf5.h,
oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-lvalue.cc,
oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.cc,
oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-stdstrm.h, oct-stream.cc,
oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct.h, octave-default-image.h,
octave-link.h, octave-preserve-stream-state.h, ordschur.cc, pager.cc, pager.h,
pinv.cc, pr-output.cc, pr-output.h, procstream.cc, procstream.h, profiler.h,
psi.cc, pt-jit.cc, pt-jit.h, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc,
regexp.cc, schur.cc, sighandlers.cc, sighandlers.h, sparse-xdiv.cc,
sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc,
str2double.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc,
symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-renderer.cc,
text-renderer.h, time.cc, toplev.cc, toplev.h, tril.cc, tsearch.cc, txt-eng.cc,
txt-eng.h, typecast.cc, urlwrite.cc, utils.cc, utils.h, variables.cc,
variables.h, workspace-element.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc,
xpow.h, zfstream.cc, zfstream.h, deprecated-config.h, __delaunayn__.cc,
__eigs__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __osmesa_print__.cc, __voronoi__.cc, amd.cc,
audiodevinfo.cc, audioread.cc, ccolamd.cc, chol.cc, colamd.cc, convhulln.cc,
dmperm.cc, fftw.cc, gzip.cc, oct-qhull.h, qr.cc, symbfact.cc, symrcm.cc,
liboctinterp-build-info.h, liboctinterp-build-info.in.cc, ov-base-diag.h,
ov-base-int.cc, ov-base-int.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.h,
ov-base-sparse.cc, ov-base-sparse.h, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h,
ov-builtin.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc, ov-ch-mat.h,
ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-colon.cc,
ov-colon.h, ov-complex.cc, ov-complex.h, ov-cs-list.h, ov-cx-diag.cc,
ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h,
ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h,
ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.h, ov-float.cc,
ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc,
ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc,
ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-int-traits.h,
ov-int16.cc, ov-int16.h, ov-int32.cc, ov-int32.h, ov-int64.cc, ov-int64.h,
ov-int8.cc, ov-int8.h, ov-intx.h, ov-java.cc, ov-java.h, ov-lazy-idx.cc,
ov-lazy-idx.h, ov-mex-fcn.cc, ov-mex-fcn.h, ov-null-mat.cc, ov-null-mat.h,
ov-oncleanup.cc, ov-oncleanup.h, ov-perm.cc, ov-perm.h, ov-range.cc,
ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-mat.h,
ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc,
ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-typeinfo.cc, ov-typeinfo.h,
ov-uint16.cc, ov-uint16.h, ov-uint32.cc, ov-uint32.h, ov-uint64.cc,
ov-uint64.h, ov-uint8.cc, ov-uint8.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.h,
ovl.cc, ovl.h, octave.cc, octave.h, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc,
op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc,
op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-pm.cc, op-cm-s.cc,
op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc,
op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc,
op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc,
op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcm-pm.cc, op-fcn.cc,
op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc,
op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fm-pm.cc,
op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc,
op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-int.h,
op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-pm.cc, op-m-s.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-cm.cc, op-pm-fcm.cc, op-pm-fm.cc, op-pm-m.cc, op-pm-pm.cc,
op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc,
op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc,
op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc,
op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc,
op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc,
op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc,
ops.h, options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.cc,
pt-arg-list.h, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc,
pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc,
pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.cc,
pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc,
pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc,
pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-funcall.cc, pt-funcall.h,
pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.cc, pt-jump.h, pt-loop.cc,
pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc,
pt-pr-code.h, pt-select.cc, pt-select.h, pt-stmt.cc, pt-stmt.h, pt-unop.cc,
pt-unop.h, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Array-jit.cc,
Array-tc.cc, version.cc, version.in.h:
Style check C++ code in libinterp/
author | Rik <rik@octave.org> |
---|---|
date | Tue, 30 Aug 2016 21:46:47 -0700 |
parents | bac0d6f07a3e |
children | 3a2b891d0b33 e9a0469dedd9 |
line wrap: on
line source
/* Copyright (C) 2000-2016 Kai Habel This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ /* 20. Augiust 2000 - Kai Habel: first release */ /* 2003-12-14 Rafael Laboissiere <rafael@laboissiere.net> Added optional second argument to pass options to the underlying qhull command */ #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <cstdio> #include <list> #include "oct-locbuf.h" #include "lo-ieee.h" #include "Cell.h" #include "defun-dld.h" #include "error.h" #include "errwarn.h" #include "ovl.h" #include "unwind-prot.h" #if defined (HAVE_QHULL) # include "oct-qhull.h" # if defined (NEED_QHULL_VERSION) char qh_version[] = "__voronoi__.oct 2007-07-24"; # endif static void close_fcn (FILE *f) { std::fclose (f); } static bool octave_qhull_dims_ok (octave_idx_type dim, octave_idx_type n, const char *who) { if (sizeof (octave_idx_type) > sizeof (int)) { int maxval = std::numeric_limits<int>::max (); if (dim > maxval || n > maxval) error ("%s: dimension too large for Qhull", who); } return true; } #endif DEFUN_DLD (__voronoi__, args, , doc: /* -*- texinfo -*- @deftypefn {} {@var{C}, @var{F} =} __voronoi__ (@var{caller}, @var{pts}) @deftypefnx {} {@var{C}, @var{F} =} __voronoi__ (@var{caller}, @var{pts}, @var{options}) @deftypefnx {} {@var{C}, @var{F}, @var{Inf_Pts} =} __voronoi__ (@dots{}) Undocumented internal function. @end deftypefn */) { #if defined (HAVE_QHULL) int nargin = args.length (); if (nargin < 2 || nargin > 3) print_usage (); std::string caller = args(0).xstring_value ("__voronoi__: CALLER must be a string"); octave_value_list retval; Matrix points = args(1).matrix_value (); const octave_idx_type dim = points.columns (); const octave_idx_type num_points = points.rows (); if (! octave_qhull_dims_ok (dim, num_points, "__voronoi__")) return ovl (0.0); points = points.transpose (); std::string options; if (dim <= 3) options = " Qbb"; else options = " Qbb Qx"; if (nargin == 3) { octave_value opt_arg = args(2); if (opt_arg.is_string ()) options = " " + opt_arg.string_value (); else if (opt_arg.is_empty ()) ; // Use default options. else if (opt_arg.is_cellstr ()) { options = ""; Array<std::string> tmp = opt_arg.cellstr_value (); for (octave_idx_type i = 0; i < tmp.numel (); i++) options += " " + tmp(i); } else error ("%s: OPTIONS must be a string, cell array of strings, or empty", caller.c_str ()); } boolT ismalloc = false; octave::unwind_protect frame; // Replace the outfile pointer with stdout for debugging information. #if defined (OCTAVE_HAVE_WINDOWS_FILESYSTEM) && ! defined (OCTAVE_HAVE_POSIX_FILESYSTEM) FILE *outfile = std::fopen ("NUL", "w"); #else FILE *outfile = std::fopen ("/dev/null", "w"); #endif FILE *errfile = stderr; if (! outfile) error ("__voronoi__: unable to create temporary file for output"); frame.add_fcn (close_fcn, outfile); // qh_new_qhull command and points arguments are not const... std::string cmd = "qhull v" + options; OCTAVE_LOCAL_BUFFER (char, cmd_str, cmd.length () + 1); strcpy (cmd_str, cmd.c_str ()); int exitcode = qh_new_qhull (dim, num_points, points.fortran_vec (), ismalloc, cmd_str, outfile, errfile); if (exitcode) error ("%s: qhull failed", caller.c_str ()); // Calling findgood_all provides the number of Voronoi vertices // (sets qh num_good). qh_findgood_all (qh facet_list); octave_idx_type num_voronoi_regions = qh num_vertices - qh_setsize (qh del_vertices); octave_idx_type num_voronoi_vertices = qh num_good; // Find the voronoi centers for all facets. qh_setvoronoi_all (); facetT *facet; vertexT *vertex; octave_idx_type k; // Find the number of Voronoi vertices for each Voronoi cell and // store them in NI so we can use them later to set the dimensions // of the RowVector objects used to collect them. FORALLfacets { facet->seen = false; } OCTAVE_LOCAL_BUFFER (octave_idx_type, ni, num_voronoi_regions); for (octave_idx_type i = 0; i < num_voronoi_regions; i++) ni[i] = 0; k = 0; FORALLvertices { if (qh hull_dim == 3) qh_order_vertexneighbors (vertex); bool infinity_seen = false; facetT *neighbor, **neighborp; FOREACHneighbor_ (vertex) { if (neighbor->upperdelaunay) { if (! infinity_seen) { infinity_seen = true; ni[k]++; } } else { neighbor->seen = true; ni[k]++; } } k++; } // If Qhull finds fewer regions than points, we will pad the end // of the at_inf and C arrays so that they always contain at least // as many elements as the given points array. // FIXME: is it possible (or does it make sense) for // num_voronoi_regions to ever be larger than num_points? octave_idx_type nr = (num_points > num_voronoi_regions ? num_points : num_voronoi_regions); boolMatrix at_inf (nr, 1, false); // The list of Voronoi vertices. The first element is always // Inf. Matrix F (num_voronoi_vertices+1, dim); for (octave_idx_type d = 0; d < dim; d++) F(0,d) = octave::numeric_limits<double>::Inf (); // The cell array of vectors of indices into F that represent the // vertices of the Voronoi regions (cells). Cell C (nr, 1); // Now loop through the list of vertices again and store the // coordinates of the Voronoi vertices and the lists of indices // for the cells. FORALLfacets { facet->seen = false; } octave_idx_type i = 0; k = 0; FORALLvertices { if (qh hull_dim == 3) qh_order_vertexneighbors (vertex); bool infinity_seen = false; octave_idx_type idx = qh_pointid (vertex->point); octave_idx_type num_vertices = ni[k++]; // Qhull seems to sometimes produces regions with a single // vertex. Is that a bug? How can a region have just one // vertex? Let's skip it. if (num_vertices == 1) continue; RowVector facet_list (num_vertices); octave_idx_type m = 0; facetT *neighbor, **neighborp; FOREACHneighbor_(vertex) { if (neighbor->upperdelaunay) { if (! infinity_seen) { infinity_seen = true; facet_list(m++) = 1; at_inf(idx) = true; } } else { if (! neighbor->seen) { i++; for (octave_idx_type d = 0; d < dim; d++) F(i,d) = neighbor->center[d]; neighbor->seen = true; neighbor->visitid = i; } facet_list(m++) = neighbor->visitid + 1; } } C(idx) = facet_list; } retval = ovl (F, C, at_inf); // Free memory from Qhull qh_freeqhull (! qh_ALL); int curlong, totlong; qh_memfreeshort (&curlong, &totlong); if (curlong || totlong) warning ("%s: qhull did not free %d bytes of long memory (%d pieces)", caller.c_str (), totlong, curlong); return retval; #else octave_unused_parameter (args); std::string caller = (args.length () > 0 ? args(0).xstring_value ("__voronoi__: CALLER must be a string") : std::string ("__voronoi__")); err_disabled_feature (caller, "Qhull"); #endif } /* ## No test needed for internal helper function. %!assert (1) */